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import { computed } from "vue";
interface Props {
size?: string | number;
color?: string;
speed?: number;
}
const props = withDefaults(defineProps<Props>(), {
size: 40,
color: "currentColor",
speed: 1,
});
const formattedSize = computed(() => {
return typeof props.size === "number"
? `${props.size}px`
: props.size;
});
const formattedDuration = computed(() => {
const safeSpeed =
Number.isFinite(props.speed) && props.speed > 0
? props.speed
: 1;
return `${1 / safeSpeed}s`;
});
const pulseStyle = computed(() => ({
width: formattedSize.value,
height: formattedSize.value,
color: props.color,
"--vslk-pulse-color": props.color,
"--vslk-pulse-duration": formattedDuration.value,
}));
</script>
<template>
<div class="vslk-spinner-pulse" :style="pulseStyle">
<span class="vslk-spinner-pulse__wave" />
<span class="vslk-spinner-pulse__core" />
</div>
</template>
<style scoped>
.vslk-spinner-pulse {
position: relative;
display: inline-flex;
align-items: center;
justify-content: center;
max-width: 100%;
aspect-ratio: 1 / 1;
flex-shrink: 0;
}
.vslk-spinner-pulse__core {
position: absolute;
width: 38%;
height: 38%;
border-radius: 50%;
background-color: var(--vslk-pulse-color);
animation: vslk-pulse-core var(--vslk-pulse-duration)
ease-in-out infinite;
}
.vslk-spinner-pulse__wave {
position: absolute;
width: 38%;
height: 38%;
box-sizing: border-box;
border: 2px solid var(--vslk-pulse-color);
border-radius: 50%;
animation: vslk-pulse-wave var(--vslk-pulse-duration)
ease-out infinite;
}
@keyframes vslk-pulse-core {
0%,
100% {
transform: scale(0.85);
opacity: 0.7;
}
50% {
transform: scale(1.15);
opacity: 1;
}
}
@keyframes vslk-pulse-wave {
0% {
transform: scale(0.7);
opacity: 0.9;
}
70%,
100% {
transform: scale(2.5);
opacity: 0;
}
}
</style>
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